In addition, Billy has been assessed as having the initial symptoms of Parkinson's disease, for which he is receiving the appropriate treatment.

Billy has been assured by experts that the findings will in no way inhibit or affect his ability to work, and he will start filming a TV series in the near future, as well as undertaking an extensive theatrical tour of New Zealand in the new year."

Connolly's decision to announce his Parkinson's diagnosis has been praised by leading charity Parkinson’s UK's Chief Executive, Steve Ford.

In a statement, Ford said: “Put simply Billy Connolly is a much loved comedy legend and we are sorry to hear that he is being treated for the early symptoms of Parkinson’s. One person every hour will be diagnosed with Parkinson’s in the UK, despite this it remains a little understood condition and we salute Billy’s bravery in speaking out about his condition at this difficult time.

He added: “We wish Billy and his family all the best as they come to terms with this upsetting diagnosis.”

Earlier this month it was announced Connolly has put his Scottish mansion up for sale for almost £3 million.

The comedian and his wife, Pamela Stephenson, have decided to sell Candacraig House, the baronial home in Aberdeenshire that they bought in 1998.

The actor used the 12-bedroom property as a Highland retreat and often hosted famous guests there including Robin Williams, Steve Martin and Ewan McGregor.